Ralph Rolly Gonzales, Keizo Nakagawa, Susumu Hasegawa, Kazuo Kumagai, Atsushi Matsuoka, Yasunao Okamoto, Zhan Li, Zhaohuan Mai, Tomohisa Yoshioka, Tomoyuki Hori, et al. Treatment of high-strength wastewater with coupled flocculation and membrane filtration prior to ammoniacal nitrogen enrichment by osmotically assisted reverse osmosis. Separation and Purification Technology. 2025. 352. 128159-128159
Kana Hayashi, Katsumi Shigemura, Hiroshi Tanimoto, Kazuo Kumagai, Ralph Rolly Gonzales, Young-Min Yang, Koki Maeda, Hideto Matsuyama, Masato Fujisawa. Establishment of an artificial urine model in vitro and rat or pig model in vivo to evaluate urinary crystal adherence. Scientific Reports. 2024. 14. 1. 12001
Mengyang Hu, Kazuo Kumagai, Ralph Rolly Gonzales, Yu-Hsuan Chiao, Kecheng Guan, Takahiro Kawakatsu, Hideto Matsuyama. Isopropanol concentration by osmotically assisted reverse osmosis. Journal of Membrane Science. 2024. 697. 122581-122581
Ralph Rolly Gonzales, Keizo Nakagawa, Kazuo Kumagai, Susumu Hasegawa, Atsushi Matsuoka, Zhan Li, Zhaohuan Mai, Tomohisa Yoshioka, Tomoyuki Hori, Hideto Matsuyama. Hybrid osmotically assisted reverse osmosis and reverse osmosis (OARO-RO) process for minimal liquid discharge of high strength nitrogenous wastewater and enrichment of ammoniacal nitrogen. Water Research. 2023. 246. 120716-120716
Ralph Rolly Gonzales, Kazuo Kumagai, Zhe Yang, Youngmin Yang, Katsumi Shigemura, Hideto Matsuyama. Simple bio-inspired coating of ureteral stent for protein and bacterial fouling and calcium encrustation control. Journal of biomedical materials research. Part B, Applied biomaterials. 2023. 111. 8. 1511-1522
Development of Steric Thermoresponsive Block-co-oligomers having Glycerol Substructure as Draw Solute for Forward Osmosis Process
(The 12th Conference of the Aseanian Membrane Society (AMS 12) 2019)
2017/04 - The 5th Asian Graduate Student Symposium on Membrane Engineering The Best Student Oral Presentation Award at AGSM5 Characterization of separation function of Amphotericin B for biomimetic water purification membrane